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John Cook, CPA / MBA, has a comprehensive work experience in finance and accounting roles. John has been working at Onto Innovation since 2019, starting as a Finance Director and progressing to Senior Director Finance and now Vice President Finance. Prior to Onto Innovation, John worked at Nanometrics as a Finance Director, specializing in revenue recognition and financial planning and analysis. From 2014 to 2017, they worked as an Independent Consultant, providing accounting and finance services to various public and private clients and assisting with the implementation of the new revenue standard (ASC 606). John also has extensive experience at Applied Materials, where they held various roles, including Operations Controller / Business Partner and Senior Manager in revenue accounting, finance policy, and controls. John reported annual revenue compliance and provided accounting guidance to ensure compliance with U.S. GAAP and company finance policies. Earlier in their career, John worked at Varian Medical Systems and held multiple accounting and controllership roles at Applied Materials, where they supported regional sales, business unit, and corporate functions. Throughout their career, John has demonstrated expertise in budgeting, forecasting, financial analysis, and operational finance support.

John Cook, CPA / MBA, holds a Bachelor of Science (BS) degree in Finance from Santa Clara University. John also obtained a Master of Business Administration (MBA) degree with a specialization in Finance from San Jose State University. In addition, they hold a Certificate of Advanced Accounting Proficiency from Santa Clara University. Furthermore, they are an active Certified Public Accountant (CPA) certified by the California Board of Accountancy.